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For starters starters, Docker is a few layers up in the stack from jails. You would be better off comparing runc to jails or just cgroups+namespaces to jails.
by __turbobrew__ 3y ago
For starters starters, Docker is a few layers up in the stack from jails. You would be better off comparing runc to jails or just cgroups+namespaces to jails.
- paulddraper 3y agoNo. Docker and runc are very similar. Docker run Docker containers. runc runs OCI containers. And jails operate at a similar level, though without an image format.
- __turbobrew__ 3y agoRight, so jails do not have images or any of the tooling around building and distributing images which is the vast majority of what makes up docker. This is why cgroups+namespaces are much closer to jails than docker is. There are systems which build upon jails such as iocage and ezjail which are more similar to docker.